Home / 38,530.60-57,784.38-20,052.52

Finding the Fourth Proportional to 38,530.60, 57,784.38 and 20,052.52

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Solution

The fourth proportional to 38,530.60, 57,784.38 and 20,052.52 is: 30,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,530.60 : 57,784.38 = 20,052.52 : x
  2. Step 2: Convert to fraction form
    38,530.60/57,784.38 = 20,052.52/x
  3. Step 3: Cross multiply
    38,530.60x = 57,784.38 × 20,052.52
  4. Step 4: Simplify right side
    38,530.60x = 1,158,722,435.64
  5. Step 5: Solve for x
    x = 1,158,722,435.64/38,530.60
  6. Step 6: Final answer
    x = 30,072.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.